The article presents major elements organizational of a limited liability company, and also the problem of pledge on equity as a form of bank claims collateralization. Particular attention was paid to the problem of initial capital in a limited liability company. A credit agreement in its admissible form of a pledge on equity is subject to an analysis. Authors draw attention to reasons of a relatively minor popularity of this form of collateralization in the banking practice, which is justified in the Commercial Code setting minimum requirements in relation to initial capital of a limited liability company.